13969840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 34569216

約数和(自身を除く): 20599376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 131, 155, 172, 215, 248, 262, 310, 344, 430, 496, 524, 620, 655, 688, 860, 1048, 1240, 1310, 1333, 1720, 2096, 2480, 2620, 2666, 3440, 4061, 5240, 5332, 5633, 6665, 8122, 10480, 10664, 11266, 13330, 16244, 20305, 21328, 22532, 26660, 28165, 32488, 40610, 45064, 53320, 56330, 64976, 81220, 90128, 106640, 112660, 162440, 174623, 225320, 324880, 349246, 450640, 698492, 873115, 1396984, 1746230, 2793968, 3492460, 6984920, 13969840]

約数ペア:

[(1, 13969840), (2, 6984920), (4, 3492460), (5, 2793968), (8, 1746230), (10, 1396984), (16, 873115), (20, 698492), (31, 450640), (40, 349246), (43, 324880), (62, 225320), (80, 174623), (86, 162440), (124, 112660), (131, 106640), (155, 90128), (172, 81220), (215, 64976), (248, 56330), (262, 53320), (310, 45064), (344, 40610), (430, 32488), (496, 28165), (524, 26660), (620, 22532), (655, 21328), (688, 20305), (860, 16244), (1048, 13330), (1240, 11266), (1310, 10664), (1333, 10480), (1720, 8122), (2096, 6665), (2480, 5633), (2620, 5332), (2666, 5240), (3440, 4061)]